December weather in Sidney, NE
The average temperature in Sidney in December is 27.5°F (13.5°F–41.6°F). Average precipitation: 0.20 inches.
December is a winter month in Sidney, and is cooler than the annual average of 48.5°F. Daily temperatures swing about 28.1°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 9h 3m. For travel, December is cold.
Avg High
41.6°F
Avg Low
13.5°F
Precipitation
0.20 in
Daylight
9h 3m
December records in Sidney
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.9°F (2021) | -16.1°F (1985) | 0.12 in (1964) |
| December 2 | 78.1°F (2021) | -6.0°F (1985) | 0.62 in (1978) |
| December 3 | 69.1°F (1959) | -6.0°F (1978) | 0.10 in (1973) |
| December 4 | 66.0°F (1975) | -4.9°F (2009) | 0.62 in (1958) |
| December 5 | 71.1°F (1980) | -14.1°F (1972) | 0.11 in (1972) |
| December 6 | 71.1°F (2023) | -22.0°F (1972) | 0.33 in (1951) |
| December 7 | 70.0°F (1981) | -16.1°F (2005) | 0.13 in (2007) |
| December 8 | 66.9°F (2020) | -17.0°F (1972) | 0.29 in (1953) |
| December 9 | 71.1°F (2015) | -16.1°F (1972) | 0.50 in (1985) |
| December 10 | 66.0°F (1968) | -16.1°F (1972) | 0.32 in (1963) |
| December 11 | 69.1°F (2025) | -18.0°F (1985) | 0.26 in (1984) |
| December 12 | 66.0°F (2017) | -9.9°F (1961) | 0.18 in (1958) |
| December 13 | 63.0°F (1980) | -9.9°F (1985) | 0.46 in (1984) |
| December 14 | 64.9°F (1969) | -9.8°F (2008) | 0.29 in (1956) |
| December 15 | 64.9°F (2002) | -15.9°F (2008) | 0.40 in (2015) |
| December 16 | 68.0°F (1962) | -11.9°F (1964) | 0.05 in (2012) |
| December 17 | 64.9°F (1962) | -18.0°F (1964) | 0.28 in (1999) |
| December 18 | 72.0°F (1980) | -20.9°F (1983) | 0.30 in (1970) |
| December 19 | 69.1°F (2025) | -8.0°F (1951) | 0.65 in (1973) |
| December 20 | 66.0°F (2003) | -20.9°F (1983) | 0.34 in (2006) |
| December 21 | 68.0°F (1981) | -23.1°F (1983) | 0.34 in (1968) |
| December 22 | 77.0°F (2025) | -20.9°F (1998) | 0.05 in (1966) |
| December 23 | 68.0°F (1964) | -17.0°F (1983) | 0.43 in (1965) |
| December 24 | 72.0°F (2025) | -22.9°F (2017) | 0.22 in (1985) |
| December 25 | 68.0°F (2025) | -9.9°F (1948) | 0.96 in (1982) |
| December 26 | 66.9°F (2005) | -14.1°F (1948) | 0.21 in (2023) |
| December 27 | 66.0°F (1980) | -8.9°F (2017) | 0.20 in (1979) |
| December 28 | 72.0°F (1980) | -7.8°F (2014) | 0.15 in (1982) |
| December 29 | 64.9°F (2011) | -7.1°F (1968) | 0.22 in (1951) |
| December 30 | 62.1°F (2011) | -22.0°F (1968) | 0.26 in (1967) |
| December 31 | 64.9°F (1980) | -20.7°F (2014) | 0.04 in (1973) |